slick Antonyms

mediocre pucker rankling repulsive ribbed rotten rough roughened rugose rugosity sabulous sawtooth saw-toothed prickly porphyritic naive nodular obnoxious ordinary particulate pebbled pebbly peeling petrous pimply plain poor scratchy scuffed second-rate bumpy repellant dead hand quarter note nonslippery unsatisfactory unpretending all fingers and thumbs substandard unpretentious regrettable subpar unattractive whetted shedding shingly simple stubbled terrible trachytic